Solar System models have been built for centuries. While they often showed relative sizes, these models were usually not built to scale. The enormous ratio of interplanetary distances to planetary diameters makes constructing a scale model of the Solar System a challenging task. Fortunately, artists have been able to show us through drawings / 3D renders, like the one you see above. Click here to view the first image in this week's WINS gallery. Continue reading for a viral video of a bizarre smoking machine.